Name: Subtitle Composer
Author: KDE

About

Subtitle Composer is an open source text-based subtitle editor that supports basic and advanced editing operations.

Features

Open/Save Text Subtitle Formats - SubRip/SRT, MicroDVD, SSA/ASS, MPlayer, TMPlayer and YouTube captions
Open/OCR Graphics Subtitle Formats - VobSub (.idx/.sub/.rar), BluRay/PGS (*.sup), formats supported by ffmpeg (DVD/Vob, DVB, XSUB, HDMV-PGS)
Demux Graphics/Text Subtitle Stream from video file - SRT, SSA/ASS, MOV text, MicroDVD, DVD/Vob, DVB, XSUB, HDMV-PGS
Speech recognition from audio/video file using PocketSphinx
Smart language/text encoding** detection
Live preview of subtitles in integrated video player w/ audio stream selection
Preview/editing of subtitles on graphical audio waveform w/ audio stream selection
Sync by dragging several anchors/graftpoints and stretching timeline
Time shifting and scaling, lines duration re-calculation, framerate conversion, etc.
Joining and splitting of subtitle files
Side by side subtitle translations
Text styles (italic, bold, underline, stroke, color)
Spell checking
Detection of timing errors in subtitles
Scripting (JavaScript, Python, Ruby and other languages supported by Kross).

Permissions

2 permissions weaken the sandbox. Flatsonar asks before installing.

full access to your entire file system

--filesystem=host

X11 display: X11 lets apps read input and windows of other apps

--socket=x11

inter-process communication (needed for X11)

--share=ipc

Wayland display

--socket=wayland

audio

--socket=pulseaudio

X11 display, only when Wayland is unavailable

--socket=fallback-x11

GPU acceleration

--device=dri

access to xdg-config/kdeglobals

--filesystem=xdg-config/kdeglobals:ro

talks to com.canonical.AppMenu.Registrar

--talk-name=com.canonical.AppMenu.Registrar

talks to org.kde.kconfig.notify

--talk-name=org.kde.kconfig.notify

talks to org.kde.KGlobalSettings

--talk-name=org.kde.KGlobalSettings

Subtitle Composer